Seagate One Touch 4TB External HDD with Password Protection – Light Blue, for Windows and Mac, with 3 yr Data Recovery Services, and 6 Months Mylio Create Plan and Dropbox Backup Plan (STKZ4000402)
Errors identified:
1. "3 yr" should be corrected to "3-Year".
2. Vertical bars "|" should be used to separate features for improved readability.
3. Hyphen "-" should be added to "6 Months" and modified to "6-Month" for clarity and grammatical accuracy.
4. Remove the parentheses around "(STKZ4000402)".
5. "External HDD with Password Protection – Light Blue" should be rearranged to "External HDD - Light Blue | With Password Protection".

Suggested title:
Seagate One Touch 4TB External HDD - Light Blue | With Password Protection | For Windows and Mac | 3-Year Data Recovery Services | Includes 6-Month Mylio Create Plan & Dropbox Backup Plan | STKZ4000402